Seminar on Regional Planning and Regional Government in Europe, Prague, & Kalk, E. (1971). Regional planning and regional government in Europe: Report of a symposium held in April 1969 in Prague, Czechoslovakia. International Union of Local Authorities.
Style de citation Chicago (17e éd.)Seminar on Regional Planning and Regional Government in Europe, Prague, et E. Kalk. Regional Planning and Regional Government in Europe: Report of a Symposium Held in April 1969 in Prague, Czechoslovakia. [The Hague: International Union of Local Authorities, 1971.
Style de citation MLA (8e éd.)Seminar on Regional Planning and Regional Government in Europe, Prague, et E. Kalk. Regional Planning and Regional Government in Europe: Report of a Symposium Held in April 1969 in Prague, Czechoslovakia. International Union of Local Authorities, 1971.